1
Q
- 0POP05-EO-FRZ2 Response to Containment Flooding*
- *
What conditions will allow entry into 0POP05-EO-FRZ2?
A
Containment Water Level ≥ 69”
2
Q
- 0POP05-EO-ES05 Natural Circulation C/D w/ Loss of Letdown*
- *
How is the depress performed while in 0POP05-EO-ES05?
A
PZR Level < 50%:
Aux Spray
PZR PORV
- PZR Level ≥ 50%:*
- *Head Vents**
3
Q
- 0POP05-EO-EC33 SGTR w/o PZR Pressure Control*
- *
How does Addendum 6 in 0POP05-EO-EC33 restore letdown with a low PZR level?
A
Sends Operator to ASP to open LCV-0465, LCV-0468, and FV-0011
Bypasses low PZR Level Letdown Isolation (17%)
Note:
LCV-0468 and FV-0011 transfer switches on EAB 60’. LCV-0465 is on EAB 10’.
4
Q
- 0POP05-EO-FRC1 Response to Inadequate Core Cooling*
- *
What are the major actions of 0POP05-EO-FRC1?
A
Start 3 SI trains
RNO will start both CCPs w/ Max Charging
(Will substitute PDP if CCP not available)
- Done if One (1) SG > 14% [34%] OR > 576 gpm AFW Flow*
- *Depress intact SGs < 306 psig**
- Will inject Accumulators / LHSI pumps*
- *Depress intact SGs to atmospheric**
- Maximize SI Flow*
Start RCPs
Open PZR PORVs
Open Rx Head Vents
- *Depress intact SGs to atmospheric**
- Do not care about SG Level / AFW anymore.*
5
Q
- 0POP05-EO-E010 Loss of Rx or Secondary Coolant*
- *
At what containment pressure is containment spray secured?
A
- *6.5 psig**
- Need TSC Approval*
May be required for up to 6.5 hrs after DB LOCA to reduce Iodine for 30 day habitability of control room and TSC.
6
Q
- 0POP05-EO-ES01 Rx Trip Response*
- *
If the initiating event of the Rx Trip was a loss of feedwater, what is the time critical action in 0POP05-EO-ES01?
A
At least 3 AFW pumps required to be in service within 15 mins of Rx Trip
Prevents PZR overfill
7
Q
- 0POP05-EO-EC21 Uncontrolled Depress of all SGs*
- *
While in 0POP05-EO-EC21, what must the operator limit AFW flow / SG if you exceed the following parameters?
- RCS CDR: ≥ 100 ˚F/hr
- SGNR Level: ≤ 14% [34%]
A
100 gpm
Not required to enter 0POP05-EO-FRH1 if due to operator actions.
8
Q
- 0POP05-EO-FRH1 Response to Loss of Secondary Heat Sink*
- *
What conditions will allow entry into 0POP05-EO-FRH1?
A
SGNR ≤ 14% [34%] in ALL SGs
AND
Total AFW Flow ≤ 576 gpm
9
Q
- 0POP05-EO-FRC3 Response to Saturated Core Cooling*
- *
0POP05-EO-FRC3 should not be entered if you are in what procedure?
A
- *0POP05-EO-EC32**
- SGTR w/ LOCA - Saturated Recovery*
EC32 puts you in saturated conditions and FRC3 tries to fix it. Counterproductive….
Note:
Procedure has you get SI / CCP flow and isolate RCS vent paths.
10
Q
- 0POP05-EO-FRP1 Response to Iminent BFPL*
- *
When do you stop the depress in 0POP05-EO-FRP1?
A
PZR Level > 70% [50%]
OR
Subcooling < 45 ˚F [55 ˚F]
OR
RCS Pressure < 73 psig
11
Q
- 0POP05-EO-EC02 Loss of All AC Power w/ SI Required*
- *
What procedure does the operators enter when they have completed 0POP05-EO-EC02?
A
0POP05-EO-EO10
Loss of Rx or Secondary Coolant
12
Q
- 0POP05-EO-FRZ2 Response to Containment Flooding*
- *
What sources of water are unaccounted in the containment floodup calculation?
A
CCW
RCB Chilled Water
Rx Makeup Water
FPS
13
Q
- 0POP05-EO-ES01 Rx Trip Response*
- *
How long does the operator have to restore CCW to the RCFCs following a LOOP?
A
30 Minutes
14
Q
- 0POP05-EO-FRC3 Response to Saturated Core Cooling*
- *
What conditions will allow entry into 0POP05-EO-FRC3?
A
Subcooling ≤ 35 ˚F [45 ˚F]
AND
CETs < 708 ˚F
RVWL doesn’t really matter in this case.
15
Q
- 0POP05-EO-FRS1 Response to ATWS*
- *
What conditions will allow entry into 0POP05-EO-FRS1?
A
- Red Path:*
- *Extended Range Flux ≥ 5%**
- Orange Path:*
- *Extended Range Flux ≥ 5x10-6 % w/ + SUR**
16
Q
- 0POP05-EO-FRZ1 Response to High Containment Pressure*
- *
What conditions will allow entry into 0POP05-EO-FRZ1?
A
Containment Pressure ≥ 9.5 psig
≥ 56.5 psig is a red path.
17
Q
- AFW Requirements*
- *
What procedures need ≥ 2 SGs to cooldown the plant?
A
Two (2) SGs:
0POP05-EO-ES05
Natural Circ C/D w/o Letdown
0POP05-EO-EO20
Faulted SG Isolation
0POP05-EO-EC21
Uncontrolled Depress of All SGs
0POP05-EO-ES31/32/33
Post-SGTR Cooldown Using Backfill / Blowdown / Steam Dumps
0POP05-EO-EC31/32/33
SGTR w/ Loss of Rx Coolant - Subcooled (31) / Saturated (32) Recovery Desired
SGTR w/o PZR Pressure Control (33)
- *0POP05-EO-FRZ1**
- Response to High Containment Pressure*
Three (3) SGs:
0POP05-EO-ES01**
Rx Trip Response
Note:
Need within 15 mins if Rx trip was due to loss of feedwater.
18
Q
- 0POP05-EO-EO00 Rx Trip or SI*
- *
What is the purpose of verifying the turbine tripped?
A
Prevents an uncontrolled C/D
Note:
This is the basis for all step 2 substeps as well
19
Q
- 0POP05-EO-EC21 Uncontrolled Depress of all SGs*
- *
What are your RCP trip criteria while in 0POP05-EO-EC21? (Unique Criteria)
A
HHSI - At least 1 Running
AND
Primary / Secondary ∆P - < 164 psid [336 psid]
- RCS Pressure will drop due to uncontrolled depress of S/Gs (Cooldown). Cannot use normal 1430 psig.
- If primary with ∆P requirement, that is indicative of a LOCA.
Note:
Procedure will have you go to 0POP05-EO-EO10 if RCS Pressure ≤ 415 psig.
20
Q
- 0POP05-EO-ES05 Natural Circulation C/D w/ Loss of Letdown*
- *
Why does 0POP05-EO-ES05 have the operator re-align the CCP suction to the BAT tanks?
A
BAT tanks are higher boron concentration (7000 ppm) than RWST (2800 ppm)
Get more boron for less inventory. (No letdown)
Note:
BAT tank must have > 2500 gal
21
Q
- 0POP05-EO-FRZ3 Response to High Rad Levels*
- *
What conditions will allow entry into 0POP05-EO-FRZ3?
A
Containment Radiation ≥ 2100 R/hr
22
Q
- 0POP05-EO-EC33 SGTR w/o PZR Pressure Control*
- *
What is the SI termination criteria for 0POP05-EO-EC33?
A
- RCS Subcooling:*
- *> 35 ˚F [45 ˚F]**
Secondary Heat Sink:
Total AFW Flow > 576 GPM
OR
SGNR in ≥ TWO (2) SGs > 14% [34%]
- RCS Inventory:*
- *RVWL Plenum ≥ 85%**
Ruptured SG Level:
Rising in Uncontrolled Manner
OR
Off Scale High
23
Q
- 0POP05-EO-EC21 Uncontrolled Depress of all SGs*
- *
When will 0POP05-EO-EC21 have the operator go back to 0POP05-EO-EO20?
A
If any SG pressure rises except during SI termination in Steps 19/20
Note:
Unlike 0POP05-EO-EO30 CIP action, do not have to start SI pumps for 0POP05-EO-EO20 transition.
24
Q
- 0POP05-EO-FRS1 Response to ATWS*
- *
If the faulted SG was isolated in 0POP05-EO-FRS1, does the operator need to transtition to 0POP05-EO-EO20 once 0POP05-EO-FRS1 is complete?
A
No
0POP05-EO-FRS1 has the exact same steps and 0POP01-ZA-0018 allows you to skip transitioning to 0POP05-EO-EO20.
25
* 0POP05-EO-ES05 Natural Circulation C/D w/ Loss of Letdown*
* * *
How is PZR Level maintained \< 90% while in 0POP05-EO-ES05?
**Cycle Head Vents to maintain PZR LVL 85% - 90%**
26
* 0POP05-EO-FRP1 Response to Iminent BFPL*
* * *
What is the SI termination criteria in 0POP05-EO-FRP1?
**Subcooling \> 85 ˚F [95 ˚F]**
**No RCPs: RVWL Plenum ≥ 20%**
**RCPs: RVWL Plenum ≥ 85%**
* * *
Reinitiation:
* Subcooling ≤ 35 ˚F [45 ˚F]
* RVWL Plenum \< 20%
27
* 0POP05-EO-EC32 SGTR w/ LOCA - Saturated Recovery*
* * *
What are the SI reinitiation criteria for 0POP05-EO-EC32?
**CETs Rising
_OR_
RVWL Plenum \< 85%**
28
* 0POP05-EO-ES03 Natural Circulation C/D with Voids*
* * *
What CDR and Subcooling is the operator limited to in 0POP05-EO-ES03?
* _CDR:_*
* *\< 100 ˚F/hr**
* _Subcooling:_*
* *\> 55 ˚F**
29
* 0POP05-EO-ES02 Natural Circulation C/D*
* * *
How many CRDM Vent Fans and Rx Cavity and Support Trains does 0POP05-EO-ES02 have the operators try to start?
* _CRDM Vent Fans:_*
* *All 3 Vent Fans**
* _Rx Cavity & Support Trains:_*
* *1 Train**
* * *
Helps prevent void formation in the Head.
30
* 0POP05-EO-EO00 Rx Trip or SI*
* * *
Above what RCS pressure can you secure LHSI pumps?
**\> 415 psig**
31
* 0POP05-EO-ES02 Natural Circulation C/D*
* * *
What is your CDR in the RCS Cold Legs limited to in 0POP05-EO-ES02?
* _Normally:_*
* *100 ˚F/hr**
_≥ 1 Inactive OR NOT intact SGs:_
**15 ˚F/hr - 20 ˚F/hr**
* _NO CRDM Vent Fans running:_*
* *70 ˚F/hr**
* * *
CDR must be ≥ 15 ˚F/hr to ensure AFWST lasts until RCS Temperature ≤ 350 ˚F (RHR Conditions)
32
* 0POP05-EO-ES01 Rx Trip Response*
* * *
What are the dilution paths that need to be isolated in 0POP05-EO-ES01?
**BTRS**
**Letdown Demins**
**RMW Pumps**
**RMW Non-Essential Header Isolation Valves**
* * *
BTRS is not listed as a dilution path in 0POP05-EO-FRS1 (ATWS) and 0POP05-EO-FRS2 (Response to Loss of Core S/D).
33
* 0POP05-EO-FRZ3 Response to High Rad Levels*
* * *
What is the temperature limit on the containment carbon units?
**200 ˚F**
## Footnote
* * *
Only 1 fan / train should be placed in service.
34
* 0POP05-EO-ES03 Natural Circulation C/D with Voids*
* * *
What are the major action categories of 0POP05-EO-ES03?
**Try to Start RCP**
* *C/D and Depressurize**
* Must control pressure to maintain RVWL Plenum ≥ 85%*
**Lockout SI**
**Place RHR in Service**
35
* 0POP05-EO-FRP1 Response to Iminent BFPL*
* * *
If all SGs are faulted while performing 0POP05-EO-FRP1, how does the procedure have you control AFW?
**100 gpm / SG**
## Footnote
* * *
Protects the SG tubes
* * *
*Note:
Same as 0POP05-EO-EC21 Uncontrolled Depress of All SGs.*
36
* 0POP05-EO-E010 Loss of Rx or Secondary Coolant*
* * *
At what H2 concentration are the H2 Recombiners placed in service?
**0.5% ≤ H2 \< 4%**
* * *
* ≥ 4% must consult with TSC
* Place 1 in service and 1 in standby
* * *
*Note:
Must be placed in service within 30 mins (FSAR)*
37
* 0POP05-EO-EO00 Rx Trip or SI*
* * *
What are unique about the safety grade solenoids for the MSIVs?
**The are energize to actuate**
## Footnote
* * *
Most safety grade solenoids are de-energize to actuate.
* * *
*Note:
That is why we have to fail air to the MSIVs and MSIBs if they fail to shut.*
38
* 0POP05-EO-EC33 SGTR w/o PZR Pressure Control*
* * *
Why does the first step in 0POP05-EO-EC33 check if ruptured SGNR Level \< 87% [60%]?
**No way to lower RCS pressure.**
**RCS filling Ruptured SG.**
**Sends you to Securing SI step so Ruptured SG doesn't go solid.**
39
* 0POP05-EO-ES02 Natural Circulation C/D*
* * *
What subcooling should be maintained in the upper head if you have \< 2 CRDM vent fans while performing a C/D in 0POP05-EO-ES02?
**10 ˚F - 20 ˚F Subcooling**
## Footnote
* * *
Controlled by cycling Rx Vessel Head Vent Valves.
40
* 0POP05-EO-ES31 Post SGTR C/D using Backfill*
* * *
How does the operator control AFW to cool off the ruptured SG in 0POP05-EO-ES31/32/33 and 0POP05-EO-EC31/32/33?
**Feed Ruptured SG to a SGNR Level of 82% [55%]**
**Allow SGNR Level to Lower to 25% [34%]**
**Repeat**
* * *
Will secure AFW Flow to ruptured SG if not needed for C/D when:
* SG Pressure Rapidly Lowering (Faulted)
* Ruptured SG Pressure ≥ 1235 psig (About to lift PORV @ 1260 psig)
* Ruptured SG Pressure ≤ 306 psig _AND_ SGNR \> 14% [34%]\*\*\*\*
* * *
*Note:
Last criteria is present in ES31/32/33, and EC33 only. The first 2 criteria are present in all 6 procedures. (ES31-33 and EC31-33)*
41
* 0POP01-ZA-0018 EOP User's Guide*
* * *
What is the definition of an active SG?
**SGNR Level ≥ 14 % [34%]**
**_OR_**
**AFW Flow ≥ 310 GPM**
42
* 0POP05-EO-FRP1 Response to Iminent BFPL*
* * *
After you complete your 1 hour soak in 0POP05-EO-FRP1, what is your CDR limit?
**50 ˚F/hr**
43
* 0POP05-EO-ES13 Transfer to CL Recirc*
* * *
When can FRPs be implemented when in 0POP05-EO-ES13?
**Once steps 1-6 are complete**
## Footnote
* * *
Minimum required to verify proper switch over to CL Recirc.
44
* 0POP05-EO-ES05 Natural Circulation C/D w/ Loss of Letdown*
* * *
What will the operator do if letdown or excess letdown is restored while in 0POP05-EO-ES05?
**Transition to 0POP05-EO-ES02 Natural Circ C/D**
45
* 0POP05-EO-EO30 SG Tube Rupture*
* * *
How many SGs are needed for C/D while in 0POP05-EO-EO30?
**One (1) SG**
46
* 0POP05-EO-FRH2 Response to SG Overpressure*
* * *
What conditions will allow entry into 0POP05-EO-FRH2?
* *Pressure in ≥ 1 SG ≥ 1325 psig**
* Highest SG Safety*
47
* 0POP05-EO-EC01 Loss of All AC Power w/o SI Required*
* * *
How many CCW trains are required to provide cooling to SFP?
**Two Trains**
* * *
* First train for RCS. Second Train for SFP.
* Must consult with TSC if only one train available.
48
* 0POP05-EO-EC11 Loss of Emergency Coolant Recirc*
* * *
What are the SI Termination criteria in 0POP05-EO-EC11?
*_RVWL Plenum Level:_*
**NO RCPs: ≥ 20%
RCPs: ≥ 85%**
**_AND_**
**Subcooling \> 85 ˚F [95 ˚F]**
* * *
If you cannot secure, establish minimum SI flow per Addendum 5.
49
* 0POP05-EO-FRS1 Response to ATWS*
* * *
How much AFW Flow is required if SGNR Level is ≤ 14% [34%] in _ALL_ SGs while in 0POP05-EO-FRS1?
**1080 gpm**
50
* 0POP05-EO-FRP1 Response to Iminent BFPL*
* * *
Why does the first step in 0POP05-EO-FRP1 check for a large break LOCA?
**Purpose of this procedure is to prevent a LOCA**
**No point in performing this procedure**
* * *
* Step has you check to see of LHSI is injecting.
* \< 415 psig _AND_ \> 500 gpm flow
51
* 0POP05-EO-EC01 Loss of All AC Power w/o SI Required*
* * *
When the operators finish with 0POP05-EO-EC01, what procedure will they transition to?
*_With RCP:_*
**0POP03-ZG-0007**
Plant Cooldown
*_With No RCP AND Letdown:_*
**0POP05-EO-ES02**
Natural Circulation Cooldown
*_With No RCP AND NO Letdown:_*
**0POP05-EO-ES05**
Natural Circulation Cooldown w/o Letdown
52
* 0POP05-EO-EC00 Loss of All AC*
* * *
How long can the unit be without AC power before it is considered an ELAP?
**4 hrs**
53
* 0POP05-EO-ES33 Post-SGTR Cooldown Using Steam Dump*
* * *
How does the operator dump steam from the ruptured SG in 0POP05-EO-ES33?
* _Condenser Available:_*
* *Throttle open MSIBs of intact SGs**
**Use Steam Dumps to lower ruptured SG Pressure to \< 332 psig**
* _Condenser NOT Available:_*
* *Use ruptured SG PORV to lower ruptured SG Pressure to \< 332 psig**
* * *
Using SG PORV is a unmonitored release to the public (Last Resort)
54
* 0POP05-EO-FRH1 Response to Loss of Secondary Heat Sink*
* * *
What parameters are checked to determine if a secondary heat sink is required?
**RCS Pressure \> Non-Faulted SG Pressure**
* *WR HL \> 350 ˚F**
* RHR Conditions*
55
* 0POP05-EO-FRC1 Response to Inadequate Core Cooling*
* * *
0POP05-EO-FRC1 requires the operator to start 3 trains of SI Pumps. If a HHSI / LHSI pump does not start, what does the procedure have the operator do?
**Start both CCPs with MAX Charging. (240 gpm/CCP)**
**If CCP not available, start PDP also.**
56
* 0POP05-EO-FRH3 Response to SG High Level*
* * *
What conditions will allow entry into 0POP05-EO-FRH3?
**SGNR ≥ 87% [60%] in ≥ 1 SG**
## Footnote
* * *
Can also enter from 0POP05-EO-FRH2 Response to SG Overpressure if SGNR \> 91% [71%].
57
* 0POP05-EO-FRC2 Response to Degraded Core Cooling*
* * *
What conditions will allow entry into 0POP05-EO-FRC2?
**Subcooling ≤ 35 ˚F [45 ˚F]
_AND_
RVWL Plenum \< 20%
_AND_
CETs ≥ 708 ˚F**
58
* 0POP05-EO-EC02 Loss of All AC Power w/ SI Required*
* * *
What is unique about the SI Termination Criteria in 0POP05-EO-EC02?
**_IF_ aligned for CL Recirc _AND_ RCS Pressure \> Shutoff Head for Pump
_THEN_ Turn off pump**
## Footnote
* * *
No Mini Flow Protection.
59
* 0POP05-EO-ES03 Natural Circulation C/D with Voids*
* * *
What conditions prevent the operator from transitioning to 0POP05-EO-ES03?
**Any Faulted OR Inactive SGs**
60
* 0POP05-EO-ES02 Natural Circulation C/D*
* * *
At what SG level should you not restore AFW Flow?
**≤ 13 % WR Level**
## Footnote
* * *
Contact TSC for recovery actions.
61
* 0POP05-EO-EO30 SG Tube Rupture*
* * *
What ruptured SG pressure would be indicative of a LOCA and require entry into 0POP05-EO-EC31?
**≤ 468 psig**
62
* 0POP05-EO-E010 Loss of Rx or Secondary Coolant*
* * *
When do the operators transition to HL Recirculation?
**5.5 Hours**
## Footnote
* * *
At 4.5 Hours after event initiation, the operators will begin to prepare.
63
* 0POP05-EO-EC33 SGTR w/o PZR Pressure Control*
* * *
What are the SI reinitiation criteria for 0POP05-EO-EC33?
* _RCS Subcooling:_*
* *\< 35 ˚F [45 ˚F]**
* _RCS Inventory:_*
* *RVWL Plenum \< 85%**
64
* 0POP05-EO-FRC2 Response to Degraded Core Cooling*
* * *
If all RCPs are running in 0POP05-EO-FRC2, what does the procedure direct the operator to do?
**Stop RCP 1D**
## Footnote
* * *
Save for PZR spray
65
* 0POP05-EO-ES02 Natural Circulation C/D*
* * *
What subcooling margin should be maintained while performing a C/D in 0POP05-EO-ES02?
**≥ 80 ˚F Subcooling**
## Footnote
* * *
Utilize Max Quad TC Ave for Addendum 1 and _NOT_ Qual PAMS subcooling indication.
* * *
*Note:
Same as 0POP05-EO-ES05 Natural Circ C/D w/ Loss of letdown.*
66
* 0POP05-EO-E010 Loss of Rx or Secondary Coolant*
* * *
How long does the operator have to depressurize the intact SGs to \< 1000 psig and lower their PORV setpoints?
**45 Mins**
* * *
Prevents exceeding peak clad temperature limit (2200 ˚F)
* Ensures HHSI pumps are injecting
67
* 0POP05-EO-EC21 Uncontrolled Depress of all SGs*
* * *
What is unique about the SI termination criteria in 0POP05-EO-EC21?
**HHSI pumps have become your heat sink**
68
* 0POP05-EO-EO30 SG Tube Rupture*
* * *
You have finished the C/D of 0POP05-EO-EO30 and the procedure has you check ruptured SG pressure controlled or rising. What ∆P between intact and ruptured SGs would be indicative of a LOCA and require entry into 0POP05-EO-EC31?
**Ruptured SG \< 250 psig above Intact SG**
## Footnote
* * *
Ruptured SG should be isolated and not used for C/D. Therefore its pressure should remain high while intact SGs should have dropped. If ruptured SG pressure is lower (i.e. RCS pressure dropped quickly), then you have indications of a LOCA.
* * *
*Note:
Also have indication of LOCA on next step. Check Subcooling \> 55 ˚F [65 ˚F]*
69
* 0POP05-EO-EO00 Rx Trip or SI*
* * *
What EOPs have the following RCP Trip Criteria?
* HHSI Pump - At least one running
* RCS Pressure - \< 1430 psig
* _Active During Entire Procedure:_*
* *0POP05-EO-EO00**
* Rx Trip or SI*
* *0POP05-EO-EO10**
* Loss of Primary or Secondary Coolant*
* *0POP05-EO-ES00**
* Rediagnosis*
* * *
*_Active Before C/D:_*
* *0POP05-EO-EO30**
* SG Tube Rupture*
* *0POP05-EO-ES12**
* Post LOCA C/D and Depress*
70
* 0POP05-EO-ES03 Natural Circulation C/D with Voids*
* * *
What conditions must be met prior to starting a RCP with voids in the vessel?
**PZR Level ≥ 95% [98%]**
**Subcooling ≥ 77 ˚F [92 ˚F]**
71
* 0POP05-EO-FRH3 Response to SG High Level*
* * *
How does the operator lower SG level in 0POP05-EO-FRH3?
**Isolate MFW**
**Isolate AFW**
**Establish Blowdown**
* * *
* Do not release steam if affected SGNR \> 91% [71%] until TSC evaluation performed.
* Only exception is the terry turbine if it is the only source of feed.
72
* 0POP05-EO-EC00 Loss of All AC*
* * *
Why do the operators stop depressurizing the intact SGs at 405 psig?
**Accumulators will not inject if SG Pressures \> 305 psig (100 psig margin)**
## Footnote
* * *
Will also stop depress if RCS CL \< 274 ˚F (Integrity CSF)
73
* 0POP05-EO-EC11 Loss of Emergency Coolant Recirc*
* * *
If you are in 0POP05-EO-EC11, how many trains of SI should be running at most?
**One Train**
74
* 0POP05-EO-EO00 Rx Trip or SI*
* * *
What procedure will EO00 kick you out to if you can not isolate the PZR PORV in Step 9?
**0POP05-EO-EO10 Loss of Rx or Secondary Coolant**
## Footnote
* * *
Monitor Critical Safety Functions and when Addendum 5 Complete Implement
75
* 0POP05-EO-EO00 Rx Trip or SI*
* * *
If a LOOP or SI occurs and a train of essential chilled water fails, how long does the operator have to secure that train's EAB HVAC fans?
**30 Mins**
## Footnote
* * *
Prevents EAB HVAC fans from adding heat to the Aux S/D room and the QDPS rooms.
76
* 0POP05-EO-EC33 SGTR w/o PZR Pressure Control*
* * *
While performing the RCS cooldown in 0POP05-EO-EC33, PZR pressure control is re-established and PZR level is restored to \> 8% [44%]. What should the operator do?
**Transition to 0POP05-EO-EO30 Step 31**
77
* 0POP05-EO-ES12 Post LOCA C/D and Depress*
* * *
If the TSC staff has determined that H2 dissolution has occured in the PZR reference leg, what is the minimum PZR level that heaters can be re-energized?
**PZR Level \> 36%**
78
* 0POP05-EO-FRC1 Response to Inadequate Core Cooling*
* * *
Why does 0POP05-EO-FRC1 have the operator depress intact SGs to \< 305 psig?
**To allow Accumulators and LSHI pumps to inject.**
79
* 0POP05-EO-EC00 Loss of All AC*
* * *
How long does the operator have to de-energize the Train A Sequencer during a station blackout?
**30 Min**
## Footnote
* * *
Accomplished with Addendum 4 Vital Bus Monitoring.
80
* 0POP05-EO-FRH1 Response to Loss of Secondary Heat Sink*
* * *
What is required for adequate feed and bleed?
*_Feed:_*
**Two (2) HHSI
One (1) CCP**
* _Bleed:_*
* *Two (2) PZR PORVs**
81
* 0POP05-EO-FRH4 Response to Normal Steam Release Capabilities*
* * *
How does the operator lower SG pressure in 0POP05-EO-FRH4?
**SG PORVs**
* *Steam Dumps**
* Open MSIV or MSIB*
82
* 0POP05-EO-EC12 LOCA Outside Containment*
* * *
What procedure will the operators transition to once 0POP05-EO-EC12 is complete?
*_RCS Pressure Rising:_*
**0POP05-EO-EO10**
Loss or Rx or Secondary Coolant
* _RCS Pressure Lowering:_*
* (Unable to isolate leak)*
**0POP05-EO-EC11**
Loss of Emergency Coolant Recirc
83
* 0POP05-EO-EO00 Rx Trip or SI*
* * *
What is the only casualty that will allow you to get past steps 12-14 in EO00?
**LOCA outside of containment**
## Footnote
* * *
Must of had SI and conditions are not met for step 14 in EO00 to kick you out to EO10.
* * *
*Note:
Step 24 or 25 will eventually kick you out to 0POP05-EO-EC12 LOCA outside Containment.*
84
* 0POP05-EO-EC00 Loss of All AC*
* * *
What is the basis of ensuring RCS TC \< 360 ˚F within 10 hrs of a loss of all AC?
* *Will preclude RCP #1 Seal surface corrosion**
* Could result in excessive leakage*
85
* 0POP05-EO-EC00 Loss of All AC*
* * *
What kind of valves are the AFW OCIVs, AFW Reg Valves, and AFW X-Connects?
*_AC MOVs:_*
**A,B,C AFW OCIVs
A,B,C AFW Reg Valves**
*_DC MOVs:_*
**D AFW OCIV
D AFW Reg Valve**
* _AOVs:_*
* *All AFW X-Connects**
86
* 0POP05-EO-FRH2 Response to SG Overpressure*
* * *
How does the operator lower SG pressure in 0POP05-EO-FRH2?
* _SG D ONLY:_*
* *Terry Turbine**
* _All Affected SGs:_*
* *SG PORVs**
* _All Unaffected SGs:_*
* *Dump Steam to lower RCS HL\< 555 ˚F [550 ˚F]**
* * *
If affected SG PORV will not open, procedure has you open MSIBs to X-Conn SGs.
* * *
* Note:
* *_DO NOT DUMP STEAM IF SGNR \> 91% [71%]_**. Need TSC Evaluation. Should enter 0POP05-EO-FRH3 Response to SG High Level.*
87
* 0POP05-EO-EO30 SG Tube Rupture*
* * *
If the ruptured SG is also faulted, should you restore AFW flow if SGNR level drops below 14% [34%]?
**No**
## Footnote
* * *
Caution statement before step 4 gives you an out.
88
* 0POP05-EO-FRC1 Response to Inadequate Core Cooling*
* * *
What conditions allow the operator to exit 0POP05-EO-FRC1 and transition to 0POP05-EO-EO10?
**CETs \< 1200 ˚F**
**Two (2) RCS HL \< 350 ˚F**
**RVWL ≥ 20%**
* * *
Need a HHSI with flow indicated _OR_ a LHSI with flow to transition to EO10. Otherwise puts you in a loop or bypasses this step.
89
* 0POP05-EO-EC11 Loss of Emergency Coolant Recirc*
* * *
If you are unable to meet the SI termination criteria in 0POP05-EO-EC11, the procedure will direct you to Addendum 5 Minimum SI Flow. What are the high level steps of this Addendum?
**Check RCS \< 415 psig**
No: Secure LHSI and exit procedure.
*After this step should only have 1 HHSI _OR_ 1 LHSI*
**Stop HHSI**
**Open Mini Flow Valves for running LHSI**
* *Establish Min Flow Using Chart**
* Done by closing RHR HX Bypass and throttling TCV*
90
* 0POP05-EO-ES11 SI Termination*
* * *
How do you reset P4 Logic?
**Close Rx Trip Breakers**
**Open Rx Trip Breakers**
91
* 0POP05-EO-FRC1 Response to Inadequate Core Cooling*
* * *
What conditions will allow entry into 0POP05-EO-FRC1?
**CETs ≥ 1200 ˚F**
92
* 0POP05-EO-FRH5 Response to SG Low Level*
* * *
What conditions will allow entry into 0POP05-EO-FRH5?
**SGNR ≤ 14% [34%] in ≥ 1 SGs**
93
* 0POP05-EO-ES01 Rx Trip Response*
* * *
What is the purpose of arming the steam dumps in steam pressure control if no RCPs are running in 0POP05-EO-ES01?
**Need dumps for a Heat Sink for Natural Circulation**
94
* 0POP05-EO-ES01 Rx Trip Response*
* * *
What procedure will the operators transition to cool down the plant after performing 0POP05-EO-ES01?
* _With RCPs:_*
* *0POP03-ZG-0007 Plant Cooldown**
* _With No RCPs:_*
* *0POP05-EO-ES02 Natural Circulation Cooldown**
* _With No RCPs AND No Letdown:_*
* *0POP05-EO-ES05 Natural Circulation Cooldown w/ Loss of Letdown**
95
* 0POP05-EO-E010 Loss of Rx or Secondary Coolant*
* * *
What procedure do you transition to if you have a small break LOCA?
**0POP05-EO-ES12**
Post LOCA C/D and Depress
* * *
*_Transition Criteria:_*
RCS Pressure \> 415 psig (LHSI Shutoff Head)
_OR_
RCS ≤ 415 psig AND LHSI Flow ≤ 500 gpm
96
* 0POP05-EO-EC31 SGTR w/ LOCA - Subcooled Recovery*
* * *
What conditions will send the operator to 0POP05-EO-EC32?
* *RWST Level ≤ 50%**
* Must use Addendum 6 to take into account containment water level also*
* *Ruptured SGNR Level ≥ 91% [71%]**
* TSC has a buy in*
97
* 0POP05-EO-ES31 Post SGTR C/D using Backfill*
* * *
If a LOCA occurs while performing 0POP05-EO-ES31, what procedure will you transition to?
* *0POP05-EO-EC31**
* SGTR w/ Loss of Rx Coolant - Subcooled Recovery Desired*
## Footnote
* * *
Will also start SI pumps per CIP.
* * *
*Note:
Will not transition to 0POP05-EO-EO10 due to LOCA w/ a SGTR.*
98
* 0POP05-EO-FRS2 Response to Loss of Core S/D*
* * *
What conditions will allow entry into 0POP05-EO-FRS2?
**Extended Range Flux ≥ 5x10-6 %
_AND_
SUR 0 DPM to -0.2 DPM**
**_OR_**
**Extended Range Flux \< 5x10-6 % _AND_ (+) SUR**
99
* 0POP05-EO-EC02 Loss of All AC Power w/ SI Required*
* * *
When can FRPs be implemented in 0POP05-EO-EC02?
**After Step 11**
## Footnote
* * *
First 11 steps are a mini Addendum 5 to verify SI actuated as designed.
100
* 0POP05-EO-ES13 Transfer to CL Recirc*
* * *
What is the minimum LHSI flow required by 0POP05-EO-ES13?
**800 GPM**
* * *
If due to high RCS pressure:
* Maintain One PZR PORV Open.
101
* 0POP05-EO-ES01 Rx Trip Response*
* * *
While in 0POP05-EO-ES01, what conditions require the operator to emergency Borate?
* *RCS temperature \< 550 ˚F**
* Secure when RCS Temperature ≥ 550 ˚F _OR_ RCS Cb \> 2800 ppm*
**≥ 2 Rod bottom lights _NOT_ Lit**
Emergency Borate _940 Gal for each rod ≤ 18 Steps_
Emergency Borate _4460 Gal for each rod \> 18 Steps_
_OR_
Borate to RCS Cb \> 2800 ppm
* *Loss of DRPI**
* Borate until DRPI restored _OR_ RCS Cb \> 2800 ppm*
102
* 0POP05-EO-EC00 Loss of All AC*
* * *
When must the operator commence filling the AFWST with FPS?
**AFWST Level \< 138,000 (26%)
_AND_
Cannot fill with 0POP02-AF-0001**
103
* 0POP05-EO-EO00 Rx Trip or SI*
* * *
What conditions require the operator to isolate the MSR cooldown path in EO00?
**Any MSIV or MSIB not shut w/ LOOP _OR_ IA Pressure \< 95 psig**
## Footnote
* * *
*Note:
MSR valves will fail open on Loss of power or air and do not want excessive C/D.*
104
* 0POP05-EO-ES03 Natural Circulation C/D with Voids*
* * *
What must be done when entering MODE 4 to satisfy tech specs?
**Place 2 HHSI pumps in PTL**
**Place 1 CCP in PTL**
**Place PDP in PTL**
105
* 0POP05-EO-FRS1 Response to ATWS*
* * *
What is the preferred source of emergency boration in 0POP05-EO-FRS1?
**BAT Tanks**
## Footnote
* * *
Will get more Boron in RCS with less inventory added.
106
* 0POP05-EO-FRH1 Response to Loss of Secondary Heat Sink*
* * *
When is feed and bleed required?
**Two (2) SGs WR Level \< 50% [73%]**
**_OR_**
**PZR Pressure \> 2335 psig**
* * *
Feed and bleed should not be initiated if SG low level caused by depressurizing the SGs to allow fire water to be used (Addendum 8) unless _CETs \> 567 ˚F and rising_.
107
* 0POP05-EO-ES02 Natural Circulation C/D*
* * *
While performing a C/D in 0POP05-EO-ES02 with an inactive SG, how do you prevent the inactive SG from becoming a heat source to the RCS?
**Maintain Inactive SG 200 - 300 psig above Active SG Pressure**
## Footnote
* * *
SG PORV limited to 10% open during C/D.
108
* 0POP05-EO-EO30 SG Tube Rupture*
* * *
When will the operator secure depressurizing the RCS in 0POP05-EO-EO30?
**RCS Pressure \< Ruptured SG Pressure
PZR Level \> 8% [44%]**
**_OR_**
**PZR Level \> 70%**
**_OR_**
**RCS Subcooling \< 35 ˚F [45 ˚F]**
**_OR_**
*_PZR SPRAY ONLY_*
**RCS / Ruptured SG ∆P \< 300 psid
PZR Level \> 38% [50%]**
109
* 0POP05-EO-EO00 Rx Trip or SI*
* * *
What values put you in adverse containment conditions?
**Containment Pressure ≥ 5 psig \*\***
**Containment Radiation Levels ≥ 105 R/hr****
**Containment Integrated Dose ≥ 106 R**
* * *
*Note:
If Pressure or Radiation Levels drop back below values, then adverse containment may be exited.*
110
* 0POP05-EO-EC00 Loss of All AC*
* * *
What must be done if CET \> 1200 ˚F while in 0POP05-EO-EC00?
*_CET \> 1200 ˚F_*
**Notify TSC and Emergency Director
Go To SAMG with Emergency Director Concurrence**
* _CET \> 708 ˚F_*
* *Notify TSC and Emergency Director**
111
* 0POP05-EO-FRH1 Response to Loss of Secondary Heat Sink*
* * *
What are the SG Feed flow criteria on the CIP of 0POP05-EO-FRH1?
* _SGWR Level \> 13% [37%]:_*
* *Any AFW Flow**
* * *
* *_Bleed and Feed in Progress_**
* *_ALL SGs SGWR Level ≤ 13% [37%]_**
*_RCS WR Th ≤ 550˚F OR \> 550 ˚F w/ CETs Stable / Lowering_*
**Restore AFW to One (1) SG [100 gpm]\*\***
*_RCS WR Th \> 550 ˚F w/ CETs Rising_*
**Establish MAX Flow to One (1) SG\*\***
* * *
* _WHEN_ SGWR \> 13% [37%] _AND_ RCS WR Th ≤ 550 ˚F
* _THEN_ Any AFW Flow
112
* 0POP05-EO-EC01 Loss of All AC Power w/o SI Required*
* * *
When can FRPs be implemented in 0POP05-EO-EC01?
* *After Step 11**
* By that time you have control of plant and SI back in AUTO*
113
* 0POP05-EO-ES05 Natural Circulation C/D w/ Loss of Letdown*
* * *
What is unique of about the AFW flow / Heat sink requirements in 0POP05-EO-ES05?
* *SG NR Level \> 14% in _TWO_ SGs**
* Normally requires 1 SG*
**_OR_**
**Total AFW Flow \> 576 gpm**
* * *
Basis: Has something to do with fire hazard analysis in FSAR.
* * *
*Note:
If you do not have 2 SG's available for C/D, Use Addendum 7 Establish DA Vent Path.*
114
* 0POP05-EO-FRH4 Response to Normal Steam Release Capabilities*
* * *
What conditions will allow entry into 0POP05-EO-FRH4?
* *SG Pressure in ≥ 1 SG ≥ 1285 psig**
* Lowest Safety Setting*
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